Newscoop\Entity\User::setAdmin PHP Метод

    public function setAdmin($admin)
    {
        $this->is_admin = (bool) $admin;
        return $this;
    }

 public function testAuthenticateValidAdmin()
 {
     $this->user->setActive();
     $this->user->setAdmin(TRUE);
     $this->em->persist($this->user);
     $this->em->flush();
     $this->service->setUsername(self::USERNAME)->setPassword(self::PASSWORD)->setAdmin(TRUE);
     $result = $this->service->authenticate();
     $this->assertEquals(\Zend_Auth_Result::SUCCESS, $result->getCode());
 }